WO2018145450A1 - Module et procédé de reconnaissance d'empreintes digitales, et écran à commande tactile - Google Patents

Module et procédé de reconnaissance d'empreintes digitales, et écran à commande tactile Download PDF

Info

Publication number
WO2018145450A1
WO2018145450A1 PCT/CN2017/100467 CN2017100467W WO2018145450A1 WO 2018145450 A1 WO2018145450 A1 WO 2018145450A1 CN 2017100467 W CN2017100467 W CN 2017100467W WO 2018145450 A1 WO2018145450 A1 WO 2018145450A1
Authority
WO
WIPO (PCT)
Prior art keywords
fingerprint
receiving surface
liquid crystal
optical sensor
fingerprint recognition
Prior art date
Application number
PCT/CN2017/100467
Other languages
English (en)
Chinese (zh)
Inventor
王海生
赵利军
刘英明
许睿
李昌峰
贾亚楠
郭玉珍
顾品超
秦云科
Original Assignee
京东方科技集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/756,168 priority Critical patent/US10509942B2/en
Publication of WO2018145450A1 publication Critical patent/WO2018145450A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/294—Variable focal length devices

Definitions

  • the present disclosure relates to the field of touch technologies, and in particular, to a fingerprint recognition module, a fingerprint recognition method, and a touch screen.
  • Portable terminals are widely used in people's daily life, and the functions of portable terminals are becoming more and more powerful, thereby greatly facilitating users.
  • the portable terminal stores a lot of private information while providing more convenience to the user. If the portable terminal is lost or stolen, the private information may be easily leaked due to lack of relevant protection, thereby giving The user is inconvenient. Therefore, it is necessary to make some privacy settings on the portable terminal.
  • the fingerprint recognition module is usually disposed in a non-visible area of the display panel.
  • the fingerprint recognition module is usually disposed on the home button or on the back of the mobile phone, and fingerprint recognition cannot be performed in the visible area. Because: as shown in Fig. 1, when the optical sensor is integrated in the array substrate, the distance between the contact surface with the finger is large, and a part of the light reflected by the finger cannot be scattered due to scattering. The sensor causes the optical sensor to obscure the formed optical fingerprint pattern due to less received light, thereby affecting the accuracy of fingerprint recognition.
  • the present disclosure provides a fingerprint recognition module, a fingerprint recognition method, and a touch that can realize fingerprint recognition in a visible area and improve fingerprint recognition accuracy. Control screen.
  • a fingerprint identification module including:
  • An optical sensor having a receiving surface configured to receive fingerprint reflected light
  • a lens assembly configured to converge the fingerprint reflected light toward the receiving surface of the optical sensor
  • the lens assembly comprises a liquid crystal lens configured to rotate the liquid crystal molecules at different angles when energized to concentrate the fingerprint reflected light toward the receiving surface of the optical sensor.
  • the liquid crystal lens may include:
  • Two alignment films respectively disposed on two surfaces of the two substrates facing each other with a certain gap therebetween;
  • a liquid crystal layer that is received in the gap A liquid crystal layer that is received in the gap.
  • a central portion of one of the two alignment films may be provided with an opening.
  • the lens assembly may further include a microlens disposed on the receiving surface of the optical sensor and located below the liquid crystal lens, and configured to change the reflected light of the fingerprint relative to the The direction of the oblique light of the surface is received such that it tends to be perpendicular to the receiving surface.
  • a touch screen including
  • a fingerprint recognition module as described above integrated in the display panel and located within a viewable area of the display panel.
  • the display panel may include an array substrate and a color filter substrate disposed on the cartridge;
  • the optical sensor is disposed in the array substrate, and the liquid crystal lens is disposed on the color filter substrate above the array substrate.
  • the lens assembly may further include a microlens disposed on the receiving surface of the optical sensor and located below the liquid crystal lens, and configured to be modified The direction of the light reflected by the fingerprint relative to the receiving surface is changed to be perpendicular to the receiving surface.
  • the number of the optical sensors may be two or more and distributed in an array
  • the number of the microlenses coincides with the number of the optical sensors, and the respective microlenses are disposed in one-to-one correspondence on the receiving surfaces of the respective optical sensors.
  • a fingerprint identification method for performing fingerprint recognition using a fingerprint recognition module as described above, the fingerprint recognition method comprising:
  • Step S1 energizing the liquid crystal lens to rotate the liquid crystal molecules inside thereof by different angles;
  • Step S2 concentrating the fingerprint reflected light toward the receiving surface of the optical sensor via the liquid crystal lens
  • Step S3 The optical sensor receives the fingerprint reflected light.
  • the step S2 may include changing a direction of light reflected in the fingerprint reflected light with respect to the receiving surface using a microlens so as to be perpendicular to the receiving surface.
  • FIG. 1 is a schematic view showing a state in which an optical sensor is integrated in an array substrate of an existing display panel
  • FIG. 2 is a schematic diagram showing a structure of a fingerprint recognition module integrated in a display panel according to an exemplary embodiment of the present disclosure
  • FIG. 3 is a schematic view showing an optical path when an optical sensor receives light of different angles without providing a microlens
  • FIG. 4 is a schematic view showing an optical path when an optical sensor receives light of different angles in a case where a microlens is provided, according to an exemplary embodiment of the present disclosure
  • FIG. 5A is a schematic view showing a structure of a liquid crystal lens when no power is applied, according to an exemplary embodiment of the present disclosure
  • FIG. 5B is a schematic view showing a structure of a liquid crystal lens when energized according to an exemplary embodiment of the present disclosure
  • FIG. 6 is a refractive index of a liquid crystal lens when energized according to an exemplary embodiment of the present disclosure. Distribution.
  • the exemplary embodiment provides a fingerprint identification module integrated in the array substrate 1 of the touch screen and located in the visible area thereof.
  • the fingerprint recognition module includes an optical sensor 6 and a lens assembly, wherein the number of the optical sensors 6 is two or more, and is distributed in an array in the array substrate 1 for receiving the reflected light of the fingerprint and reflecting the received fingerprint.
  • the signal is converted into an electrical signal and sent to the controller, and the controller forms an optical fingerprint pattern according to the electrical signal for the identification operation.
  • the fingerprint reflected light refers to light that is emitted by the light emitted by the display panel and reflected back when the finger touches the protective layer 5 of the display panel of the touch screen.
  • Each of the optical sensors 6 includes a receiving surface 61 for receiving the above-described fingerprint reflected light.
  • the lens assembly is used to concentrate the fingerprint reflected light toward the receiving surface 61 of the optical sensor 6.
  • the lens assembly includes a microlens 7 and a liquid crystal lens 4, wherein the liquid crystal lens 4 is disposed on the color filter substrate 3 and under the protective layer 5 for directing the fingerprint reflected light toward the optical sensor 6.
  • the receiving surface 61 converges.
  • the liquid crystal lens 4 includes two substrates 41 which are oppositely disposed, and two alignment films 42 which are respectively disposed on the two substrates 41. There is a gap between the two surfaces facing and between them; and a liquid crystal layer 43 accommodated in the gap.
  • the alignment film 42 adjacent to the upper substrate 41 has an opening which is located at the center of the alignment film 42.
  • the liquid crystal lens 4 is not energized, the liquid crystal in the liquid crystal layer 43 does not rotate, and is in a state as shown in FIG. 5A, at which time the display panel is normally displayed.
  • fingerprint recognition is required, the liquid crystal lens 4 is energized, and at this time, the liquid crystal is rotated.
  • the opening is present in the alignment film 42, the liquid crystal molecules at different positions are subjected to different electric fields, thereby rotating different angles.
  • the liquid crystal layer 43 is as shown in FIG. 5B. The state shown. In this case, the refractive indices of the liquid crystals at different positions of the liquid crystal lens 4 are different, as shown in FIG.
  • the refractive index at the corresponding opening is the largest, and as the distance from the opening is decreased, the refractive index is gradually decreased, so that the liquid crystal lens 4 is removed. It is possible to function like a convex lens, that is, to condense the fingerprint reflected light toward the receiving surface 61 of the optical sensor 6.
  • the number of the microlenses 7 coincides with the number of the optical sensors 6, and the respective microlenses 7 are disposed one by one on the receiving surface 61 of each of the optical sensors 6 and below the liquid crystal lens 4.
  • the microlens 7 is used to change the direction of the light reflected from the receiving surface 61 among the reflected light of the fingerprint so as to be perpendicular to the receiving surface 61. As shown in FIG. 3, in the case where the microlens is not provided, when the oblique fingerprint reflected light reaches the receiving surface 61 of the optical sensor 6, a part of the light is reflected and refracted because of the problem of the refractive index of the surface film medium.
  • the microlens 7 is provided on the receiving surface 61 of the optical sensor 6, so that the path of the oblique fingerprint reflected light can be optimized as much as possible.
  • the illumination surface 61 is vertically irradiated to reduce the amount of light that is reflected and refracted, thereby improving the light conversion efficiency and uniformity thereof, thereby improving the fingerprint recognition accuracy.
  • the lens assembly includes the microlens 7 and the liquid crystal lens 4, but the present disclosure is not limited thereto. In practical applications, the lens assembly may also be provided with only the microlens 7 or the liquid crystal lens. 4. This also serves to concentrate the fingerprint reflected light toward the receiving surface of the optical sensor 6.
  • the fingerprint recognition module provided by the present disclosure can improve the fingerprint recognition accuracy by means of the lens assembly, even when the fingerprint recognition module according to the present disclosure is integrated in the touch screen and located in the visible area of the touch screen, even when optical When the sensor 7 is integrated in the array substrate 1 and the distance between the contact surface with the finger is large, a clear optical fingerprint pattern can still be obtained to realize fingerprint recognition.
  • the fingerprint identification module may be disposed in any other electronic product having a touch screen, and the disclosure is not particularly limited.
  • the fingerprint recognition module aggregates the fingerprint reflected light toward the receiving surface of the optical sensor by using the lens assembly, which may increase The amount of light reaching the receiving surface of the optical sensor is increased, so that the sharpness of the formed optical fingerprint pattern can be improved, and the fingerprint recognition accuracy can be improved. Even if the fingerprint recognition module provided according to the present disclosure is disposed in the display area of the touch screen, the requirement for fingerprint recognition accuracy can be achieved.
  • an exemplary embodiment of the present disclosure provides a touch screen including a display panel and a fingerprint recognition module, wherein the fingerprint recognition module employs fingerprint recognition according to the first exemplary embodiment of the present disclosure.
  • the touch screen includes an array substrate 1 and a color filter substrate 3 disposed on the cartridge, and a liquid crystal layer 2 is disposed between the array substrate 1 and the color filter substrate 3.
  • the optical sensor 6 is disposed in the array substrate 1.
  • the lens assembly includes a microlens 7 and a liquid crystal lens 4, wherein the liquid crystal lens 4 is disposed on the color filter substrate 3 for condensing the fingerprint reflected light toward the receiving surface 61 of the optical sensor 6 when energized; the microlens 7 is disposed at the optical
  • the receiving surface of the sensor 6 is for changing the direction of the light reflected by the fingerprint relative to the receiving surface 61 so as to be perpendicular to the receiving surface 61. Since the microlens 7 and the liquid crystal lens 4 have been described in detail in the above-described first exemplary embodiment, they will not be described again.
  • the number of the optical sensors 6 is two or more, and is distributed in an array in the array substrate 1, and the number of the microlenses 7 coincides with the number of the optical sensors 6, and the respective microlenses 7 correspond one-to-one. It is disposed on the receiving surface 61 of each optical sensor 6.
  • the optical sensor 6 may also adopt other arbitrary distribution modes, and the respective microlenses 7 are disposed one by one on the receiving surface 61 of each optical sensor 6.
  • a touch screen may integrate a fingerprint recognition module in a display panel and be located in a visible area of the display panel by employing a fingerprint recognition module according to the first exemplary embodiment of the present disclosure, At the same time, the fingerprint recognition accuracy can be ensured, thereby solving the problem that the current fingerprint recognition module can only be set in a non-visible area such as a home button or a back of a mobile phone, or is set in the visible area but the fingerprint recognition accuracy is Limit problem.
  • an exemplary embodiment of the present disclosure provides a fingerprint recognition method that performs fingerprint recognition using a fingerprint recognition module according to a first exemplary embodiment of the present disclosure, the fingerprint recognition method including:
  • Step S1 energizing the liquid crystal lens 4 to rotate the liquid crystal molecules inside thereof at different angles;
  • Step S2 condensing the fingerprint reflected light toward the receiving surface 61 of the optical sensor 6 via the liquid crystal lens 4;
  • Step S3 The optical sensor 6 receives the fingerprint reflected light.
  • the above step S2 may further include changing the direction of the light reflected by the fingerprint surface relative to the receiving surface 61 using the microlens 7 so as to be perpendicular to the receiving surface 61.
  • the fingerprint recognition method can increase the amount of light reaching the receiving surface of the optical sensor by concentrating the fingerprint reflected light toward the receiving surface of the optical sensor, so that the definition of the formed optical fingerprint pattern can be improved In turn, the fingerprint recognition accuracy can be improved. Even if the fingerprint recognition module provided according to the present disclosure is disposed in the display area of the touch screen, the requirement for fingerprint recognition accuracy can be achieved.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Image Input (AREA)
  • Liquid Crystal (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

La présente invention concerne un module de reconnaissance d'empreintes digitales, un procédé de reconnaissance d'empreintes digitales et un écran de commande tactile. Le module de reconnaissance d'empreinte digitale comprend : un capteur optique, ayant une surface de réception configurée pour recevoir une lumière réfléchie par empreinte digitale; et un ensemble lentille, configuré pour faire converger la lumière réfléchie d'empreinte digitale vers la surface de réception du capteur optique, l'ensemble lentille comprenant une lentille à cristaux liquides, et la lentille à cristaux liquides étant configurée pour faire tourner les molécules de cristaux liquides à différents angles lorsqu'elle est mise sous tension afin de faire converger la lumière réfléchie par empreinte digitale vers la surface de réception du capteur optique. Au moyen de la solution technique d'un ensemble lentille convergeant la lumière réfléchie par empreinte digitale vers la surface de réception d'un capteur optique, le module de reconnaissance d'empreinte digitale, le procédé de reconnaissance d'empreinte digitale, et un écran de commande tactile prévu dans la présente invention augmente la quantité de lumière atteignant la surface de réception du capteur optique, et améliore ainsi la netteté du motif d'empreinte digitale optique formé, améliorant la précision de la reconnaissance d'empreintes digitales.
PCT/CN2017/100467 2017-02-10 2017-09-05 Module et procédé de reconnaissance d'empreintes digitales, et écran à commande tactile WO2018145450A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/756,168 US10509942B2 (en) 2017-02-10 2017-09-05 Fingerprint identification device, fingerprint identification method and touch screen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710073843.8 2017-02-10
CN201710073843.8A CN106845436B (zh) 2017-02-10 2017-02-10 指纹识别模块、指纹识别方法及触控屏

Publications (1)

Publication Number Publication Date
WO2018145450A1 true WO2018145450A1 (fr) 2018-08-16

Family

ID=59121818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/100467 WO2018145450A1 (fr) 2017-02-10 2017-09-05 Module et procédé de reconnaissance d'empreintes digitales, et écran à commande tactile

Country Status (3)

Country Link
US (1) US10509942B2 (fr)
CN (1) CN106845436B (fr)
WO (1) WO2018145450A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110348309A (zh) * 2019-06-11 2019-10-18 惠科股份有限公司 一种光学指纹感测器和显示屏
CN111133444A (zh) * 2019-10-21 2020-05-08 深圳市汇顶科技股份有限公司 指纹识别装置和电子设备

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106845436B (zh) * 2017-02-10 2020-06-02 京东方科技集团股份有限公司 指纹识别模块、指纹识别方法及触控屏
CN107230698B (zh) * 2017-05-27 2019-09-03 上海天马微电子有限公司 一种显示面板及显示装置
US10664684B2 (en) * 2017-06-02 2020-05-26 Next Biometrics Group Asa Fingerprint sensor with liveness detection
WO2018227435A1 (fr) * 2017-06-14 2018-12-20 华为技术有限公司 Module d'affichage et terminal mobile
US10474867B2 (en) * 2017-09-28 2019-11-12 Apple Inc. Electronic device including mask collimation and related methods
US10509940B2 (en) * 2017-09-28 2019-12-17 Apple Inc. Electronic device including sequential operation of light source subsets while acquiring biometric image data and related methods
KR102513910B1 (ko) * 2017-12-18 2023-03-23 엘지디스플레이 주식회사 전계발광 표시장치
CN108171186A (zh) * 2018-01-03 2018-06-15 京东方科技集团股份有限公司 一种指纹识别装置和方法
CN108323207B (zh) 2018-02-06 2021-02-26 深圳市汇顶科技股份有限公司 屏下生物特征识别装置、生物特征识别组件和终端设备
CN108647558B (zh) * 2018-03-21 2021-01-08 京东方科技集团股份有限公司 一种指纹识别显示设备
CN110036393B (zh) * 2018-04-13 2020-10-16 华为技术有限公司 一种屏下指纹识别终端
CN109643382A (zh) * 2018-07-04 2019-04-16 深圳市汇顶科技股份有限公司 指纹识别装置和终端
CN109145849A (zh) * 2018-08-30 2019-01-04 维沃移动通信有限公司 一种用于终端设备的指纹成像方法及装置
WO2020056547A1 (fr) * 2018-09-17 2020-03-26 Fingerprint Cards Ab Dispositif d'imagerie biométrique
CN112703503A (zh) * 2018-11-22 2021-04-23 深圳市柔宇科技股份有限公司 光学指纹识别装置、阵列基板及显示装置
CN109541839B (zh) * 2018-12-10 2021-12-07 厦门天马微电子有限公司 一种显示面板及显示装置
CN111310527A (zh) * 2018-12-12 2020-06-19 上海耕岩智能科技有限公司 一种屏下图像获取结构及电子设备
WO2020147018A1 (fr) * 2019-01-15 2020-07-23 深圳市汇顶科技股份有限公司 Système d'acquisition d'image optique et dispositif électronique
CN109637376B (zh) * 2019-01-31 2022-02-18 厦门天马微电子有限公司 显示装置
CN109634024A (zh) * 2019-02-22 2019-04-16 武汉芯盈科技有限公司 可调整焦距的透镜结构和屏下指纹传感器结构
CN109919075B (zh) * 2019-03-04 2021-01-08 京东方科技集团股份有限公司 一种指纹测量装置、指纹识别方法及系统、介质
CN109815941A (zh) * 2019-03-13 2019-05-28 上海思立微电子科技有限公司 指纹识别装置以及电子设备
CN110741382A (zh) * 2019-03-25 2020-01-31 深圳市汇顶科技股份有限公司 生物特征识别装置、方法和电子设备
CN110799990B (zh) * 2019-04-22 2023-09-12 深圳市汇顶科技股份有限公司 指纹识别的装置和电子设备
CN110147009A (zh) * 2019-04-30 2019-08-20 武汉华星光电技术有限公司 显示面板及显示装置
CN110361888A (zh) * 2019-07-18 2019-10-22 京东方科技集团股份有限公司 一种彩膜基板及其制作方法、显示面板、显示装置
CN110928011A (zh) * 2019-12-02 2020-03-27 武汉华星光电技术有限公司 Lcd显示装置、oled显示装置
CN111061089B (zh) * 2019-12-13 2021-04-27 武汉华星光电技术有限公司 一种显示装置
CN110928017A (zh) * 2019-12-13 2020-03-27 武汉华星光电技术有限公司 显示面板
CN111325168A (zh) * 2020-02-26 2020-06-23 武汉华星光电技术有限公司 显示面板及其控制方法
CN111240062B (zh) * 2020-03-20 2023-04-07 Oppo广东移动通信有限公司 集成指纹识别功能的液晶显示屏、电子装置
CN112904609A (zh) * 2021-01-28 2021-06-04 武汉华星光电技术有限公司 显示面板和显示装置
CN114299558B (zh) * 2021-12-31 2023-03-28 湖北华鑫光电有限公司 一种5p的超广角屏下指纹镜头
CN117616478A (zh) * 2022-06-20 2024-02-27 北京小米移动软件有限公司 一种传感器模组、电子设备、感应识别方法及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102243402A (zh) * 2011-07-13 2011-11-16 深圳超多维光电子有限公司 一种液晶透镜光栅及其立体显示装置
CN104035626A (zh) * 2014-07-02 2014-09-10 南昌欧菲生物识别技术有限公司 指纹识别方法、具有指纹识别功能的触控屏及终端设备
CN106298859A (zh) * 2016-09-30 2017-01-04 京东方科技集团股份有限公司 触控面板及显示装置
CN106845436A (zh) * 2017-02-10 2017-06-13 京东方科技集团股份有限公司 指纹识别模块、指纹识别方法及触控屏

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2008123584A1 (ja) * 2007-04-04 2010-07-15 ソニー株式会社 生体認証装置
US10691261B2 (en) 2011-01-19 2020-06-23 Pixart Imaging Inc. Non-planar reflective folded optics
JP6163921B2 (ja) * 2013-07-08 2017-07-19 株式会社リコー 座標検知装置及び電子情報ボードシステム
JP2015119154A (ja) * 2013-12-20 2015-06-25 ソニー株式会社 固体撮像素子、固体撮像素子の製造方法、及び電子機器
CN103698927B (zh) * 2013-12-31 2017-05-10 敦泰电子有限公司 触摸显示装置、驱动电路及驱动方法
CN105590083A (zh) * 2014-10-23 2016-05-18 金佶科技股份有限公司 光电式指纹辨识装置
KR101928319B1 (ko) * 2015-06-18 2018-12-12 선전 구딕스 테크놀로지 컴퍼니, 리미티드 광 감지 능력을 가지는 다기능 지문 센서
JP6885331B2 (ja) * 2015-07-23 2021-06-16 ソニーグループ株式会社 半導体装置およびその製造方法、並びに電子機器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102243402A (zh) * 2011-07-13 2011-11-16 深圳超多维光电子有限公司 一种液晶透镜光栅及其立体显示装置
CN104035626A (zh) * 2014-07-02 2014-09-10 南昌欧菲生物识别技术有限公司 指纹识别方法、具有指纹识别功能的触控屏及终端设备
CN106298859A (zh) * 2016-09-30 2017-01-04 京东方科技集团股份有限公司 触控面板及显示装置
CN106845436A (zh) * 2017-02-10 2017-06-13 京东方科技集团股份有限公司 指纹识别模块、指纹识别方法及触控屏

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110348309A (zh) * 2019-06-11 2019-10-18 惠科股份有限公司 一种光学指纹感测器和显示屏
CN110348309B (zh) * 2019-06-11 2022-04-01 惠科股份有限公司 一种光学指纹感测器和显示屏
CN111133444A (zh) * 2019-10-21 2020-05-08 深圳市汇顶科技股份有限公司 指纹识别装置和电子设备
CN111133444B (zh) * 2019-10-21 2023-10-13 深圳市汇顶科技股份有限公司 指纹识别装置和电子设备

Also Published As

Publication number Publication date
US10509942B2 (en) 2019-12-17
CN106845436B (zh) 2020-06-02
CN106845436A (zh) 2017-06-13
US20190026522A1 (en) 2019-01-24

Similar Documents

Publication Publication Date Title
WO2018145450A1 (fr) Module et procédé de reconnaissance d'empreintes digitales, et écran à commande tactile
WO2020035021A1 (fr) Système de reconnaissance d'empreinte digitale d'affichage à cristaux liquides, dispositif de reconnaissance d'empreinte digitale optique sous-écran et dispositif électronique
US10008164B2 (en) Variable viewing angle optical systems
CN108121483B (zh) 嵌入有光学成像传感器的平板显示器
TWI798491B (zh) 具有像素結構的顯示裝置與指紋辨識晶片
CN108877492B (zh) 嵌入光学成像传感器的平板显示器
CN107422788B (zh) 嵌入有光学成像传感器的平板显示器
WO2019137002A1 (fr) Panneau d'affichage et dispositif d'affichage
US8913119B2 (en) Short distance iris recognition camera
US8272743B2 (en) Projection of images onto tangible user interfaces
TWI444904B (zh) 指紋辨識裝置
WO2020237912A1 (fr) Écran d'affichage
WO2019134060A1 (fr) Panneau de transistor à couches minces ayant une fonction de reconnaissance d'empreinte digitale optique intra-écran
US20180059308A1 (en) Backlight module, method for controlling the same and display device
WO2020215292A1 (fr) Appareil de reconnaissance optique d'empreintes digitales, dispositif électronique, et procédé de reconnaissance d'empreintes digitales
US20220343671A1 (en) Device for displaying information and for capturing autopodial impressions
KR100608171B1 (ko) 지문인식센서를 구비한 영상표시장치
TW201941102A (zh) 具指紋辨識裝置之光學操作模組及其操作方法
CN110245631A (zh) 显示面板及指纹识别显示装置
CN111902822A (zh) 利用外部光源的屏下照明
WO2020181443A1 (fr) Module de détection biométrique, module de rétroéclairage et dispositif électronique
WO2022233180A1 (fr) Appareil de détection optique
TWM617394U (zh) 光學式指紋辨識結構
WO2021007971A1 (fr) Module de reconnaissance et écran d'affichage
JP2020144368A (ja) ディスプレイ内感知表示装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17895846

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17895846

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 13/02/2020)

122 Ep: pct application non-entry in european phase

Ref document number: 17895846

Country of ref document: EP

Kind code of ref document: A1